Question

Q.20
The work function of metal is 1 eV. Light of wavelength 3000 Å is incident on this metal surface. The velocity of emitted photo electrons will be

Choose answer:
10 m/s
1 × 103 m/s
1 × 104 m/s
1 × 106 m/s

Answer 1

Hola mate
Here is your answer
c. 1×104 m/s
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